A gentle probiotic ingredient that may help balance skin bacteria and strengthen the skin barrier.
Irritation
low
Source
biotech
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A gentle probiotic ingredient that may help balance skin bacteria and strengthen the skin barrier.
Irritation
low
Source
biotech
A gentle, biotech-derived humectant that helps hydrate and condition the skin, with low irritation potential.
Irritation
low
Source
biotech
Skin Conditioning Agent
Bacillus/Folic Acid Ferment Filtrate Extract
A gentle, biotech-derived ingredient that may help calm and condition the skin, though research is still emerging.
Irritation
low
Source
biotech
Soothing Agent
BACILLUS/POLYGONUM TINCTORIUM LEAF FERMENT EXTRACT FILTRATE
A gentle, fermented botanical extract that may help calm irritation and defend against environmental stress, though research is still early.
Irritation
low
Source
biotech
A gentle enzymatic exfoliant that dissolves dead skin cells without harsh scrubbing, but may irritate sensitive skin if overused.
Irritation
moderate
Source
biotech
A gentle fermented ingredient that may help calm skin and provide antioxidant benefits, though research is still emerging.
Irritation
low
Source
biotech
A gentle fermented ingredient that helps soften and smooth skin without harsh scrubbing, ideal for those new to exfoliation.
Irritation
low
Source
biotech
A fermented rice ingredient that may support skin barrier and provide antioxidant benefits, though human studies are limited.
Irritation
low
Source
biotech
A gentle, fermented ingredient that may help soothe and condition skin, but research is still early.
Irritation
low
Source
biotech
A gentle, fermented ingredient that helps hydrate and condition skin, but its benefits come from the fermentation process rather than the folic acid itself.
Irritation
low
Source
biotech
Skin conditioning agent
Bacillus/Zizania Latifolia Ferment Filtrate
A gentle fermented ingredient that may help strengthen the skin barrier and protect against environmental stress, though research is still emerging.
Irritation
low
Source
biotech
Bacopa Monniera Oil is a gentle, antioxidant-rich oil that may help calm stressed skin, but research on its cosmetic benefits is still emerging.
Irritation
low
Source
natural
Bael Leaf Oil is a fragrant essential oil with traditional uses, but its benefits in modern skincare are not well-studied and it may cause irritation in sensitive individuals.
Irritation
moderate
Source
natural
A gentle botanical powder with traditional roots, but limited modern research to back its skincare benefits.
Irritation
low
Source
natural
A gentle, antioxidant-rich root powder that helps calm skin and defend against environmental stress.
Irritation
low
Source
natural
Baicalein is a plant-based antioxidant that helps calm redness and protect skin from daily environmental damage.
Irritation
low
Source
natural
Baicalin is a gentle, plant-derived antioxidant that helps calm skin and defend against environmental stress, making it a solid addition to soothing or anti-aging formulas.
Irritation
low
Source
natural
A gentle, deeply moisturizing plant oil rich in fatty acids and antioxidants, ideal for dry or sensitive skin.
Irritation
low
Source
natural
A gentler, plant-based alternative to retinol that helps smooth fine lines and even skin tone without the typical irritation.
Irritation
low
Source
natural
Bakuhan is a gentle, rice-derived humectant that helps hydrate and soothe the skin, but research on its benefits is still emerging.
Irritation
low
Source
natural
Bakumondou extract is a gentle, plant-based ingredient that helps calm irritation and support skin hydration, though research on its cosmetic benefits is still emerging.
Irritation
low
Source
natural
A gentle, plant-based oil that hydrates and softens skin without clogging pores, suitable for most skin types.
Irritation
low
Source
natural
A traditional Ayurvedic root powder with potential soothing and antioxidant benefits, but limited modern research and a moderate irritation risk for sensitive skin.
Irritation
moderate
Source
natural
Balloon vine extract is a gentle, plant-derived ingredient that may help calm irritated skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant extract that may help calm skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle, plant-based antioxidant extract that may help calm skin and fight free radicals, but research is still limited.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help calm skin and fight free radical damage, though research is still limited.
Irritation
low
Source
natural
A fragrant essential oil that adds a fresh, woodsy scent to products but may irritate sensitive skin.
Irritation
moderate
Source
natural
A natural tree resin with potential soothing benefits, but may cause irritation in sensitive individuals.
Irritation
moderate
Source
natural
A natural fragrance ingredient with a warm, sweet scent, but it's a common allergen and may irritate sensitive skin.
Irritation
moderate
Source
natural
Balsam of Peru is a natural fragrance ingredient with a warm, sweet scent, but it's also a common allergen that can cause skin reactions in sensitive individuals.
Irritation
moderate
Source
natural
Balsam Peru Oil adds a warm, sweet scent to products but is a known allergen for some people, so patch testing is wise.
Irritation
moderate
Source
natural
Soothing Agent
LACTOBACILLUS/PHYLLOSTACHYS PUBESCENS STEM/HONEY FERMENT FILTRATE
A gentle, fermented ingredient that may help soothe and hydrate skin, but research is still emerging.
Irritation
low
Source
biotech
A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, lab-grown bamboo extract that may help protect skin from environmental stress and support a smoother appearance.
Irritation
low
Source
biotech
A gentle, lab-grown bamboo extract that may help protect skin from environmental stress and support a youthful appearance.
Irritation
low
Source
biotech
A gentle, antioxidant-rich fermented bamboo extract that may help calm and protect the skin.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from bamboo processing byproducts that may help calm skin and fight free radicals, though research is still limited.
Irritation
low
Source
natural
A gentle, hydrating plant juice that provides light moisture and antioxidant protection, ideal for sensitive or dehydrated skin.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that helps protect skin from environmental stress and may calm minor irritation.
Irritation
low
Source
natural
A gentle botanical extract that may help soothe and protect skin, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
natural
A gentle, plant-derived ingredient that may help calm skin and fight free radical damage, though research is still early.
Irritation
low
Source
biotech
A gentle, plant-based extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
natural
A gentle, watery sap that helps hydrate and soothe the skin, with early research suggesting antioxidant benefits.
Irritation
low
Source
natural
A gentle, plant-based humectant that helps hydrate and soothe the skin, though research on its specific benefits is still emerging.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though research is still emerging.
Irritation
low
Source
natural
Bamboo Shoot Extract is a gentle, silica-rich ingredient that helps soothe and hydrate skin, making it a great choice for sensitive or irritated complexions.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help calm skin and fight free radical damage, though research is still early.
Irritation
low
Source
natural
A gentle, plant-derived water that provides light hydration and a soothing feel, ideal for sensitive or dehydrated skin.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that helps soothe skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle, natural physical exfoliant from bamboo stems that helps smooth skin without harsh microbeads.
Irritation
low
Source
natural
A gentle, water-like ingredient that adds light hydration and a touch of antioxidants, ideal for sensitive or dehydrated skin.
Irritation
low
Source
natural
A gentle plant extract that may help calm skin and fight free radicals, though research is still early.
Irritation
low
Source
natural
A mild, aromatic floral water that offers gentle hydration and soothing benefits, ideal for sensitive or irritated skin.
Irritation
low
Source
natural
Banana Fruit Extract is a gentle, natural humectant that helps hydrate and soothe the skin, making it a nice addition to moisturizing formulas.
Irritation
low
Source
natural
Banana fruit juice is a gentle, natural hydrator that can soothe and soften skin, but its benefits are mostly anecdotal and less studied than other fruit extracts.
Irritation
low
Source
natural
Banana pulp extract is a gentle, natural humectant that helps hydrate and soothe the skin, but its benefits are mostly anecdotal with limited clinical backing.
Irritation
low
Source
natural
Banana water is a gentle, hydrating ingredient that adds a touch of soothing moisture to skincare products, but it's not a powerhouse active.
Irritation
low
Source
natural